939231 has 12 divisors (see below), whose sum is σ = 1374880. Its totient is φ = 617760.

The previous prime is 939229. The next prime is 939247. The reversal of 939231 is 132939.

It is not a de Polignac number, because 939231 - 2¹ = 939229 is a prime.

It is a super-2 number, since 2×939231² = 1764309742722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 939195 and 939204.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 939231.

It is not an unprimeable number, because it can be changed into a prime (939431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51 + ... + 1371.

2⁹³⁹²³¹ is an apocalyptic number.

939231 is a deficient number, since it is larger than the sum of its proper divisors (435649).

939231 is a wasteful number, since it uses less digits than its factorization.

939231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406 (or 1403 counting only the distinct ones).

The product of its digits is 1458, while the sum is 27.

The square root of 939231 is about 969.1393088715. The cubic root of 939231 is about 97.9318907569.

The spelling of 939231 in words is "nine hundred thirty-nine thousand, two hundred thirty-one".